65025329040 has 200 divisors, whose sum is σ = 258106009920. Its totient is φ = 14862921984.

The previous prime is 65025329027. The next prime is 65025329051. The reversal of 65025329040 is 4092352056.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65025328986 and 65025329004.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 671410 + ... + 762129.

Almost surely, 2^65025329040 is an apocalyptic number.

65025329040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65025329040 is an abundant number, since it is smaller than the sum of its proper divisors (193080680880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65025329040 is a wasteful number, since it uses less digits than its factorization.

65025329040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433571 (or 1433556 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 65025329040 in words is "sixty-five billion, twenty-five million, three hundred twenty-nine thousand, forty".